CVE-2026-37978

Katalog CVE

CVSS 4.9 · Medium EPSS 0,46%

Kerentanan Authorization Bypass Through User-Controlled Key pada redhat build of keycloak. Skor CVSS 3.1 4.9 (Medium) menurut redhat.com.

Deskripsi (NVD)

A flaw was found in Keycloak. A low-privilege administrator with the 'view-clients' role can exploit this by invoking the 'evaluate-scopes' Admin API endpoints with an arbitrary user ID (userId) parameter. This vulnerability allows for cross-role personally identifiable information (PII) leakage, enabling unauthorized visibility into user identities and authorizations across the realm. Exploitation is possible remotely via network access to the Admin API.

Rincian

Terbit di NVD

19 Mei 2026

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

4.9 (Medium), sumber redhat.com
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-639: Authorization Bypass Through User-Controlled Key

EPSS (30 hari)

0,46% peluang dieksploitasi; lebih tinggi dari 38,0% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://access.redhat.com/errata/RHSA-2026:19596 advisory vendor
• https://access.redhat.com/errata/RHSA-2026:19597 advisory vendor
• https://access.redhat.com/security/cve/CVE-2026-37978 advisory vendor
• https://bugzilla.redhat.com/show_bug.cgi?id=2455327 advisory vendor